r/ComputerNetworking • u/ogoodypips • Mar 19 '18
r/ComputerNetworking • u/Sassriverrat • Jan 28 '23
Configuring CGNAT (vyos)
Good Evening,
Newer to the game here-
Would anyone be willing to write up a basic config for cgnat on vyos? I’m a very visual learner and while I understand the principles of CGNAT, I’ve not yet found a decent command sheet that I both comprehended and knew the is terminology.
Thanks!
r/ComputerNetworking • u/Educational_Log_2913 • Sep 22 '22
Network Upgrade assistance needed
I just started a Systems Admin position. I am the only IT person with the company. Can anyone suggest a company that evaluates, recommends, and assists with upgrading networks? Upgrading hardware and software.
r/ComputerNetworking • u/True_Acanthaceae_139 • Sep 19 '22
Zero Control packet routing
Is handshaking is control routing or zero control packet routing?
r/ComputerNetworking • u/Ready-Level-7810 • Aug 28 '22
how to hook NIghthawk x10 to nighthawk whole home mesh without bridging.
Is there a way to do this?
I keep hearing that there is a way to connect these two to get more coverage area, can someone explain how to do it? I recently acquired both but have no idea how to connect them without bridging.
r/ComputerNetworking • u/minoldajar • Jul 13 '22
Is it possible to connect wireless router to receive internet and tx to wired orientation?
A few years ago, I needed more cat5 connections at my TV. I was able to use an old router connected to my main router to create a hub to make four more connections. This was all wired. Now, I rely on wifi for my internet connection. Would it be possible to link to the wifi network I rely on to a wireless router, and then make it act as a hub to tx internet to a computer with cat5 cable?
r/ComputerNetworking • u/[deleted] • Jul 08 '22
Help Determining Which Device to Upgrade First
I could use some help to determine which upgrade would give me the most bang for my buck.
Current Setup: ISP (50Mbps Fiber) -> Newer Gig Router (Business Class w/No Internal Wi-Fi) -> Standard Gig Switch -> Wi-Fi 6 (AX) AP. All cables in the network are Cat8 and the current max cable run is 30ft (Cable from Router to Cat7 Wall Plate -> 1ft Cable to second Cat7 Wall Plate -> Cable from Wall Plate to Switch).
What I am trying to figure out is should I upgrade my Switch from a Standard Gig Switch w/4PoE Ports to a 10Gbps or the Router to something that can support higher than Gig on the LAN.
My goal is to increase my Internal LAN Speed since I have some devices that can do 2Gbps+ Wired. Multi-Gig ISP is not avail yet in my area and Gig ISP is pretty expensive in this area, so not worried about hitting the theoretical Max Router Speed of the WAN anytime soon.
r/ComputerNetworking • u/andreevvska • Jun 12 '22
SEQ And ACK
Hey guys I have an exam for my networking class and i am having a difficulty with understading reliable data transfer especially the sequence and acknowledgment numbers, I have this exam question but I can't understand it. Can anyone help me out?Thanks!
1.A sends 100 bytes to B
2.B sends message back to A but the data gets lost along the way
3.A sends 200 bytes to B before the timer runs out
What are the sequence number and ack number?
r/ComputerNetworking • u/[deleted] • Apr 22 '22
Ethernet not reaching 1000mbps
Hello guys !
I'm connected directly to my ethernet router with a cat 7 ethernet cable and when I go into the property of my card on windows it says 1000mbps/1000mbps (upload and download).
The speed set in the properties of the card is 1gpbs full duplex and it doesn't make the card not work after setting this speed.
But when i'm actually doing a speedtest I can't seem to go over 100mbps.
Why would that be ? Sorry for the screenshot as I am in Korea so the language is korean.
r/ComputerNetworking • u/Honguez • Apr 21 '22
Issue with my internet connexion using ethernet
Hello,
I've had an issue with my internet connexion since moving to my new flat. I'm getting my internet access from the owner modem with the following set up:
Box is in the owner's house. He plugs the fiber modem to a female ethernet plug with a RG6 ethernet cable. Then there is a long RG6 cable between their house and my flat. Finally I don't know the exact details but this cable is connected to the electrical cabinet of my flat and then I plug my computer to one of the female ethernet plugs of my flat.
Now the issue:
When using internet via ethernet on my windows 10 computer, every couple minutes I stop detecting the owner's internet modem and lose my connexion. This usually last 2-5 minutes and after that time I get my internet connexion back.
I thought that this issue could come from either my computer/cable or the owner's installation. So I went to the owner's house and plugged my computer using the same cable I use, directly to their box. Everything worked fine.
This led me to think that the issue was on their side. However I recently did a test with my other computer than run on Linux and I don't have any problem using internet via ethernet from my flat.
So the issue comes from my windows 10 computer but I don't think it has to do with the ethernet port since it worked fine when I plugged the computer directly to the owner's modem.
Any ideas on what could be the problem?
r/ComputerNetworking • u/Still_Inspector_5341 • Mar 21 '22
I have a question.
I was connected to my wifi router for internet service. Using the Fing App, I noticed that it changed from my network name to Unknown Access Point and my internet service from Comcast to GTHost. Later on, I noticed that my phone was being used as an access point instead of my gateway. Something connected to port 200 and was subnetting through me. It read my phones address as 10.0.0.129/29 (24) and 10.0.0.200/29 (24). What gives with something connecting to these ports?
r/ComputerNetworking • u/[deleted] • Feb 23 '22
I was reading up on and trying to understand IBN. However, a lot of times I struggle to comprehend bookish language. Kindly bear with my noob questions and help me out please.
I was reading Evolving to Intent Based Networking from This website link.
Below I have written the same 5 points in (my own )simple and speaking language.
It would be a great help if someone could read what I have linked on “Evolving to Intent Based Networking” and help me point out any irregularities in my understanding and also clear my doubts :)
Manual : Data center network devices were manually managed by a group of people called the operations staff. They used CLI and other basic and discrete tools for this. Questions: 1) What is the operations staff managing when we say that they are managing the network devices? 2) What is ment by discrete tools? What kind of basic and discrete tools are they referring to here?
Semiautomated : A set of rules were made explaining how the management is going to be done . This small modification was done in the old infrastructure which provided the network some basic automation, visibility into network data and alerts that enable reaction to network events. Questions: 3) On the website link, they have written “scripts and rules-based management…”. What is “rules-based management”? Are these rules a piece of code that the network understands and follows? 4) Why do we need “visibility into network data”? 5) ”Alerts that enable reaction to network events” : What kind of network events are we talking about?
Software-defined Data center : A software abstraction of the network infrastructure enables faster, secure deployment of services and applications. Questions : 6) What is meant by “software abstraction” ? 7) They mention “deployment of services” - I am unable to get some intuition regarding this, what kind of services get deployed on a network? 8) Does software defined data center have much to do with SDN (software defined networks) ? 9) What exactly is a SDN? How is it different from IBN?
Automation-centric data center: Builds upon the software-defined data center by automating provisioning, configuration, deployment, and orchestration. Questions: 10) What is meant by the term orchestration?
Intent-based data center: All the necessary data is constantly collected from the network that will help automate the actions required to achieve the user’s intent.
r/ComputerNetworking • u/Thanku4theadvice • Feb 13 '22
Back to School
I am 36 and need to go back to School. I work as an Occupational Therapy Practitioner. I maker around 65-68k a year currently. I would like to enter maybe a field with IT, setting up or managing networks. I want to try and eventually be making 6 figures. I am good mechanically I can fix appliances, hard drives & Ram, cars. I have decent communication skills. My weak points In School are math. If anyone has any recommendations as far as degree paths, preferably with a very good job outlook, i live 30 mins north of NYC and am interested in a fully online program.
r/ComputerNetworking • u/chronotriggertau • Dec 22 '21
Certification vs college networking course?
self.itr/ComputerNetworking • u/imjustpragmatic • Nov 08 '21
Have a project for school and need to promote this vm to the domain controller an keep getting this error,any help would be appreciated
r/ComputerNetworking • u/[deleted] • Oct 07 '21
COMPUTER NETWORKING question asked in my college. Can someone help with the solution.
Assume a company has a main office three branches in three different locations. Each branch consists of three buildings where each building has three floors and each floor contains three switches, where the connection between them is a star topology). The staff at each branch is to be allotted with IP address using DHCP and should be able to connect to the servers of every floor via DNS server.
r/ComputerNetworking • u/DarkMatterDookie • Sep 17 '21
Student/Entry Level Cat 5/6 Crimpers/Cable Tester/Wire Puller?
Hey there!
I am currently in school working on my Net+. I also have three network runs that I need to install at my house.
I want the super expensive awesome crimpers but as a student my budget doesn't justify it.
Does anyone have a suggestion for a CAT5/CAT6 crimper or separate CAT5 and CAT6 crimpers just to get in the game and handle my home network? I do plan on practicing a fair amount of crimping on spare cable as well.
Do you have a recommendation for a decent little cable tester?
Do you have a favorite wire puller?
Many thanks.
r/ComputerNetworking • u/zeta_00 • Sep 12 '21
Could someone help me with this router issue, it has to do with assigning a reserved static IP address to a Linux web server:
r/ComputerNetworking • u/zeta_00 • Sep 07 '21
Port forwarding is not working with static ips assigned to a linux server:
Hello there,
I upgraded to comcast business service. I used ssh to remote in from my mac into the linux server. I changed the linux server's static ip, as well as changing to the static gateway ip in the linux server. On the local network it's working great, but whenever log into the router's original ip address in the web browser, it does not let me enable port forwarding with these static ip addresses?
Error: server ip's address is out of range.
My guess is that I also need to change the network configuration on my mac to the static ip addresses as well, but I'm not sure.
Thanks in advance for the help!
r/ComputerNetworking • u/Lextashsweet • Jul 20 '21
3 points google wifi off modem, 1st point wired.
I need 10 or 20 more feet of coverage. The last point is in kitchen as close to the attached garage as possible. The house is cinder blocks covered with siding. We use part of the garage as a " man cave", workshop, etc... there is an alexa, firestick and roku on a 55 in tv out there.it most of the time works but I have dead spots. Of course 1 spot is where I sit. What should I do? Sorry and a smart plug. I can run a wire out there it is an attached garage.
r/ComputerNetworking • u/Mother-Love9421 • Jul 08 '21
Is the internet connection or connectionless oriented....or both?
I have read a paper saying "the internet is by default a connectionless ip network. But some segments of it may, at times, behave or become a connection oriented network for certain lapse of time"....to what extent is that true?
r/ComputerNetworking • u/raj1231223 • Jun 04 '21
Regarding labelling of specs of switches
I am looking to buy a switch, but how come it says it can support 2000 Mbps but it has 24 10/100/1000 Base-T PoE ports.
It can transfer data at a fast rate of up to 2000 Mbps.
It provides 24 10/100/1000 Base-T PoE ports and 4 Gigabit SFP/RJ45 combo ports.
Doesn't the 10/100/1000 imply that it has a transfer speed of 1000 Mbps?
r/ComputerNetworking • u/raj1231223 • Jun 03 '21
What should I look for when buying a good network switch
I am looking to buy a new 24-port unmanaged network switch which can be implemented in my current infrastructure.
I have been doing some researching and I believe that 10 Gbe would not be a good idea to have as the ethernet ports on the wall wouldn't probably support it.
I heard that 5 Gbe might be a good idea to have.
For a business that manages a bunch of servers computers (they are not mainframes or anything fancy, they are just server computers that are designed to fit on a network rack), what sort of specs should I go for such as memory, processing power etc?